2-Chloroanthraquinone
2-Chloroanthraquinone (CAS: 131-09-9, C14H7ClO2) is a chlorinated derivative of anthraquinone with a molecular weight of 242.66 g/mol. This organic compound functions as a key intermediate and building block in chemical synthesis. Its notable application includes use as a photo-reagent in analytical chemistry, specifically for the photoreduction fluorescence detection of ginsenosides. Available at 97% purity, it serves research and industrial needs.

Photo-reagent for Ginsenoside Analysis
2-Chloroanthraquinone has been validated as a photo-reagent. It is employed in the analysis of ginsenosides through the photoreduction fluorescence (PRF) detection method, offering a specific analytical pathway.
Organic Synthesis Intermediate
As a functionalised anthraquinone derivative, this compound serves as a valuable building block in organic synthesis. It can be incorporated into more complex molecular structures for various chemical research and development purposes.
Chemical Building Block
This chemical is classified under organic building blocks, signifying its utility in constructing larger organic molecules. Its structure lends itself to further chemical modification and derivatisation.
| Molecular weight | 242.66 |
|---|---|
| Empirical formula | C14H7ClO2 |
| Assay | 97% |
| Application | This product has been evaluated as a photo-reagent for the analysis of ginsenosides using photoreduction fluorescence (PRF) detection method.1 |
| Melting point | 209-211 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Chloroanthraquinone used for?
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2-Chloroanthraquinone (CAS: 131-09-9) is primarily used as a photo-reagent for the analysis of ginsenosides via photoreduction fluorescence detection. It also serves as a valuable building block in organic synthesis.
What are the CAS number and chemical formula for 2-Chloroanthraquinone?
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The CAS number for 2-Chloroanthraquinone is 131-09-9, and its empirical formula (Hill notation) is C14H7ClO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloroanthraquinone with a purity of 97%. This product is intended for research and chemical synthesis purposes; TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling considerations for 2-Chloroanthraquinone?
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2-Chloroanthraquinone is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area and avoid dust formation.
Is 2-Chloroanthraquinone packed, shipped, and exported by TSS?
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Yes, Tech Serve Solutions, as a specialist global supplier and exporter, offers 2-Chloroanthraquinone for packing, shipping, and international export.
How can I request a sample or quote for 2-Chloroanthraquinone?
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To request a sample or a quote for 2-Chloroanthraquinone, please contact the Tech Serve Solutions sales team through our website or designated contact channels.
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